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Finding the Fourth Proportional to 169,909.24, 234,480.78 and 93,434.20

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Solution

The fourth proportional to 169,909.24, 234,480.78 and 93,434.20 is: 128,942.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,909.24 : 234,480.78 = 93,434.20 : x
  2. Step 2: Convert to fraction form
    169,909.24/234,480.78 = 93,434.20/x
  3. Step 3: Cross multiply
    169,909.24x = 234,480.78 × 93,434.20
  4. Step 4: Simplify right side
    169,909.24x = 21,908,524,094.68
  5. Step 5: Solve for x
    x = 21,908,524,094.68/169,909.24
  6. Step 6: Final answer
    x = 128,942.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.